ProgressSoft Corporation AI Engineer Interview Questions and Answers

Python, AI and ML algorithms, data sciences . Questions can be from any of the above. Since I had experience of Python , I was only asked for that . It went smooth.

Q1. We were asked to speak in Japanese
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Q1. How well we manage situation and our attitude towards anything was judged.
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There are two main sections: foundation and advanced. The foundation section consists of three subsections: quantitative, reasoning, and verbal. If you pass the foundation section but do not clear the advanced section, you will be considered for either the ninja role or the digital role during the interview process. The advanced section includes advanced aptitude questions and two coding questions.

Q1. Can you provide an introduction about yourself?
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Q2. 3 to 4 questions based on database
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Q3. 2 easy coding questions
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Q4. Questions based on technology that I knew
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Q5. Situation based questions
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Q1. What are custom hooks in React, and what are their use cases? Additionally, can you provide an example of a custom hook that performs an API call and utilizes the retrieved data?
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Q2. What is the difference between useMemo and useCallback in React?
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Q3. What is the difference between class-based components and functional components in React?
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Q4. How can you implement the lifecycle of a React component in a functional component?
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Q5. What are the various state management techniques available in React?
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Q6. What is the architecture of Redux, and what purposes do middlewares serve within it?
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Q7. What is hoisting in JavaScript?
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Q8. What is event bubbling in JavaScript?
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Q9. What are block scope and function scope in JavaScript?
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Q10. Have you had experience working with semantic tags in HTML?
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Q11. What are the various methods for creating an object in JavaScript?
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Q12. What are the differences between shallow copy and deep copy in JavaScript?
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Q13. What will be the output of the following JavaScript code fragment: `const a; function test() { console.log(a); }; test();`?
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Q14. How can you use CSS to arrange elements in a row and column layout?
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Q15. Have you utilized CSS preprocessors, and if so, which ones?
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Q16. If I have assigned different colors to an ID and a class and applied both to the same element, which color will be applied based on CSS specificity precedence?
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Q1. Difference between out and ref.
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Q2. Sql query to find the 2nd last student marks
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Q3. Second round was around project specific like why mongodb or posgreSQL? Project architecture and followup questions.
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Q4. Create global exception handler.
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It had a 2 programs with easy and medium level of coding programs, please go through the recent interview problems asked in wipro

Q1. What is Object oriented programming
Ans. 
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
• OOP focuses on creating objects that interact with each other to solve problems

• Encapsulation, inheritance, and polymorphism are key principles of OOP

• Examples of OOP languages include Java, C++, and Python
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Q2. What is multi threading
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Multi threading is a programming concept where multiple threads within a process execute independently to improve performance.
• Allows for concurrent execution of tasks within a single process

• Improves performance by utilizing multiple CPU cores

• Requires careful synchronization to avoid race conditions

• Examples include web servers handling multiple requests simultaneously
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Q3. Why is java not 100% oop
Ans. 
Java is not 100% OOP because it supports primitive data types and static methods.
• Java has primitive data types like int, double, etc. which are not objects.

• Java allows static methods which do not require an instance of a class to be called.

• Java also has the concept of wrapper classes to convert primitive data types to objects.
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Q4. What are collections in java
Ans. 
Collections in Java are classes and interfaces that provide a way to store and manipulate groups of objects.
• Collections provide dynamic data structures like List, Set, and Map.

• They offer methods to add, remove, and manipulate elements in the collection.

• Examples include ArrayList, LinkedList, HashSet, and HashMap.
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Q5. Internal working of hash map
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A hash map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hash map uses a hash function to determine the index of the key-value pair in the underlying array.

• Collision resolution techniques like chaining or open addressing are used to handle situations where multiple keys hash to the same index.

• Hash maps typically have O(1) average time complexity for i...read more
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Q1. What is Pricing Rule & Product Rule?
Ans. 
Pricing Rule & Product Rule are mathematical concepts used in calculus to find derivatives of functions.
• Pricing Rule is used to find the derivative of a function that involves a product of two functions.

• Product Rule is used to find the derivative of a function that involves the product of two functions.

• Pricing Rule: (f(x)g(x))' = f'(x)g(x) + f(x)g'(x)

• Product Rule: (fg)' = f'g + fg'
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Q2. Can you please explain the Project you have worked on and the difficulties you faced?
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Q3. What are the Option contraint?
Ans. 
Option constraints are restrictions placed on the values that can be assigned to an option in a software system.
• Option constraints define the valid range of values for an option.

• They can include minimum and maximum values, allowed data types, and specific values.

• For example, an option for selecting a color may have constraints that limit the choices to 'red', 'blue', or 'green'.
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Q4. What rae the Configuration Attribute?
Ans. 
Configuration attributes are settings that define the behavior of a software system.
• Configuration attributes can include parameters such as database connection strings, logging levels, and feature toggles.

• They are typically stored in configuration files or databases.

• Changing configuration attributes can alter the behavior of the software without modifying its code.

• Configuration attributes are used to customize the soft...read more
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Q5. What is Flow specially Record Triggered flow?
Ans. 
Record Triggered Flow is a type of Flow in Salesforce that is triggered when a record is created or updated.
• Record Triggered Flow is used to automate processes in Salesforce based on changes to records.

• It can be set to run before or after the record is saved.

• Record Triggered Flow can access and update related records as well.

• It is a powerful tool for automating complex business processes in Salesforce.
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Q6. What is MDQ (Multi Dimensional Quote)?
Ans. 
MDQ (Multi Dimensional Quote) is a tool used in software development to estimate the effort required for a project by considering multiple dimensions.
• MDQ takes into account various factors such as complexity, team experience, technology stack, and project scope.

• It helps in providing a more accurate estimation of the time and resources needed for a project.

• For example, a project with a high complexity level and a new te...read more
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Q7. What is Pricing Waterfall?
Ans. 
Pricing waterfall is a method used to analyze and optimize pricing strategies by breaking down the pricing process into different components.
• Pricing waterfall helps in understanding the impact of various factors on pricing decisions.

• It involves analyzing costs, competition, customer demand, and other market factors to determine the optimal pricing strategy.

• Examples of components in a pricing waterfall include fixed cos...read more
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Q8. Explain Discount Schedule ?
Ans. 
A discount schedule is a set of rules or guidelines that determine the amount of discount a customer receives based on various factors.
• Discount schedules can be based on factors such as quantity purchased, customer loyalty, or promotional events.

• For example, a discount schedule may offer a 10% discount for purchases of 10 items or more.

• Another example could be a loyalty program where customers receive increasing discou...read more
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Q9. What are the different Pricing Method?
Ans. 
Different pricing methods include cost-plus pricing, value-based pricing, competition-based pricing, and dynamic pricing.
• Cost-plus pricing involves adding a markup to the cost of production.

• Value-based pricing sets prices based on the perceived value to the customer.

• Competition-based pricing involves setting prices based on competitors' prices.

• Dynamic pricing adjusts prices in real-time based on demand and other factor
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Q10. What are the different Product we have in CPQ?
Ans. 
CPQ offers multiple products including Configure, Price, Quote, Contract Management, and Billing.
• Configure: Allows users to customize products based on customer needs

• Price: Calculates pricing based on configurations and discounts

• Quote: Generates quotes for customers based on configured products

• Contract Management: Manages contracts and agreements with customers

• Billing: Handles invoicing and payment processing
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Q1. What is QCP (Quote Calculator Plugin)?
Ans. 
QCP is a software plugin used for calculating quotes for products or services.
• QCP is a tool used in sales or e-commerce platforms to provide accurate pricing information to customers.

• It can factor in variables such as quantity, discounts, taxes, and shipping costs to generate a final quote.

• QCP can be customized to fit the specific pricing structure and rules of a business.

• Examples of QCP include plugins for online shop...read more
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Q2. Explain any Special Field in CPQ?
Ans. 
Special Field in CPQ refers to a custom field that is unique to a specific use case or industry.
• Special fields can be used to capture industry-specific data or unique requirements.

• Examples include fields for pricing rules in the manufacturing industry or contract terms in the telecommunications industry.
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Q3. Have you worked on Amendment? Explain it?
Ans. 
Yes, I have worked on Amendment. It involves making changes to existing software code or documentation.
• Amendment involves modifying existing code or documentation to improve functionality or fix issues.

• Examples include updating a software feature to meet new requirements, fixing bugs in the code, or enhancing performance.

• Amendment may also involve revising documentation to reflect changes made to the software.
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Q4. What is renewal in CPQ? Explain the complete Flow?
Ans. 
Renewal in CPQ refers to the process of renewing a contract or subscription for a product or service.
• Renewal in CPQ involves generating a renewal quote for an existing contract or subscription.

• The renewal flow typically includes reviewing the terms of the existing contract, making any necessary adjustments, and generating a new quote for the renewed contract.

• Customers may have the option to renew their contract for a s...read more
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Q5. Explain Quote to Cash Flow?
Ans. 
Quote to Cash Flow is the process of generating revenue from the initial quote to the final payment.
• Quote to Cash Flow involves the entire sales process from creating a quote for a product or service to receiving payment for that product or service.

• It includes activities such as quoting, invoicing, order fulfillment, and payment collection.

• The goal of Quote to Cash Flow is to streamline the sales process and improve ca...read more
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Q6. What is Package level Setting?
Ans. 
Package level setting refers to configuration settings that apply to an entire package of software components.
• Package level settings are configuration options that affect all components within a software package.

• These settings are typically defined at the package level and apply globally.

• Examples include setting default values for variables, defining access control rules, or specifying logging levels.

• Package level sett...read more
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Q7. What is Bundle Product and Nested Bundle?
Ans. 
Bundle product is a group of related products sold together, while nested bundle is a bundle within a bundle.
• Bundle product is a collection of multiple products sold together as a single unit.

• Nested bundle is a bundle that contains another bundle within it.

• Example: A laptop bundle may include a laptop, a laptop bag, and a mouse. Within this bundle, there could be a nested bundle for extended warranty options.
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Q8. What is Guided Selling?
Ans. 
Guided selling is a sales technique where the salesperson guides the customer through the buying process, offering personalized recommendations and advice.
• Involves salesperson providing personalized recommendations to customers

• Helps customers make informed decisions during the buying process

• Often used in e-commerce websites to suggest products based on customer preferences
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Q9. Explain Usages Based Product?
Ans. 
Usages based product refers to a pricing model where customers are charged based on their usage of the product or service.
• Customers are charged based on the amount or frequency of their usage.

• Common in industries like cloud computing, SaaS, and utilities.

• Examples include pay-as-you-go cloud services, metered electricity usage, and usage-based insurance.
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Q10. What is Batch APEX?
Ans. 
Batch APEX is a feature in Salesforce that allows developers to process records in bulk using Apex code.
• Batch APEX is used to handle large volumes of data in Salesforce.

• It is commonly used for tasks like data cleansing, data migration, and data processing.

• Batch APEX classes implement the Database.Batchable interface and are executed asynchronously.

• Developers can monitor and manage Batch APEX jobs through the Salesforce
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The aptitude assessment consists of two sections: 1) a technical test, which includes 40 questions, and 2) a game-based test.

Q1. There are different sections in communicton test. Like reading , listening, sentence , correction, Grammer checking and story telling
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Q1. All the questions like OOPs concept, database concepts, cloud computing- what iare the 3 types of cloud models, operating system-what is deadlock computer network= different layers in CN situation based...read more
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C++ ,Java , CAD , CNC programming, Data analytics

Q1. What product management ur doing
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Q2. Where did you undergo your technical traing
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Q3. Where did u place most of your focus when reviewing somebody else code
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Q4. What did you develop
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Q5. What was the project before you are doing
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